ΔE 13.2, fair: the same colour family, but not a straight swap. Witchbane Plum is much more muted than Magic Purple.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Witchbane Plum is much more muted than Magic Purple.
The same difference applies the other way round: Magic Purple is much more saturated.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Magic Purple on the colour wheel See Witchbane Plum on the colour wheel
All matches: Magic Purple equivalents · Witchbane Plum equivalents